396784944 has 60 divisors (see below), whose sum is σ = 1114775376. Its totient is φ = 131746176.

The previous prime is 396784909. The next prime is 396784967. The reversal of 396784944 is 449487693.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32634 + ... + 43110.

Almost surely, 2^396784944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396784944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557387688).

396784944 is an abundant number, since it is smaller than the sum of its proper divisors (717990432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396784944 is a wasteful number, since it uses less digits than its factorization.

396784944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10754 (or 10745 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 396784944 is about 19919.4614385028. The cubic root of 396784944 is about 734.8269257902.

The spelling of 396784944 in words is "three hundred ninety-six million, seven hundred eighty-four thousand, nine hundred forty-four".